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Mamalis N, Mortenson S, Digre KB, White GL Jr.Mamalis N, et al. Among authors: digre kb.Ann Ophthalmol. 1992 Apr;24(4):126-31.Ann Ophthalmol. 1992.PMID: 1590631
Katz BJ, Jones RE, Digre KB, Warner JE, Moore KR.Katz BJ, et al. Among authors: digre kb.Endocr Pract. 2003 Jul-Aug;9(4):296-300. doi: 10.4158/EP.9.4.296.Endocr Pract. 2003.PMID: 14561574